Wang, MX , Northwest Univ, Inst Modern Phys, Xian 710075, Peoples R China
部门归属:
[Wang, MX] Northwest Univ, Inst Modern Phys, Xian 710075, Peoples R China; [Wang, MX; Cai, JW; Zhao, HH; Wei, ZC] Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China; [Xie, ZY; Chen, QN] Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China
英文摘要:
We employ the second renormalization group method of tensor-network states to investigate thermodynamic properties of the ferromagnetic and antiferromagnetic Potts model on triangular lattices. From the temperature dependence of the internal energy and the specific heat, both the critical temperatures and critical exponents are evaluated. For the q = 3 antiferromagnetic Potts model, the critical temperature is found to be T(c) = 0.627163 +/- 0.000003, which is at least one order of magnitude more accurate than that obtained by other methods.
Wang Meng-Xiong,Cai Jian-Wei,Xie Zhi-Yuan,et al. Investigation of the Potts Model on Triangular Lattices by the Second Renormalization of Tensor Network States[J]. CHINESE PHYSICS LETTERS,2010,27(7):-.
